The STI HP6009 is a high-performance, air-operated hydraulic power unit designed for demanding industrial applications. This compact and portable pump delivers high-pressure hydraulic fluid, making it an ideal choice for powering hydraulic bolt tensioners, hydraulic nuts, and other high-pressure tooling. Its robust construction ensures durability and reliable performance in harsh environments, while the air-over-hydraulic design provides a safe and efficient power source, especially in locations where electricity is unavailable or hazardous. The unit features an easy-to-read pressure gauge, a durable reservoir, and a protective roll cage for enhanced mobility and protection.